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std::experimental::ranges::IndirectRelation

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< cpp‎ | experimental‎ | ranges
 
 
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IndirectRelation
                                                  
                                                  
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template< class F, class I1, class I2 = I1 >

concept bool IndirectRelation =
    Readable<I1> && Readable<I2> &&
    CopyConstructible<F> &&
    Relation<F&, ranges::value_type_t<I1>&, ranges::value_type_t<I2>&> &&
    Relation<F&, ranges::value_type_t<I1>&, ranges::reference_t<I2>> &&
    Relation<F&, ranges::reference_t<I1>, ranges::value_type_t<I2>&> &&
    Relation<F&, ranges::reference_t<I1>, ranges::reference_t<I2>> &&

    Relation<F&, ranges::iter_common_reference_t<I1>, ranges::iter_common_reference_t<I2>>;
(ranges TS)